Excerpt: [S]ome indication that people might be willing to work longer comes from the fact that the century-long downward trend in the labor force participation of older men has clearly ceased, with participation rising slightly since the mid-1990s. But the changes to date fall far short of what is required to offset declining Social Security benefits and modest 401(k) balances – an increase in the average retirement age from the current 63 to an estimated 67.  MORE >>